macro ab [a,b,c,d] {
}

ab   0, 6456,1,0,\
     0, 10233,1,0,\
     0, 31896,1,0,\
     0, 1797,1,0,\
     0, 2376,1,0 
    

dd   0, 6456,1,0,\
     0, 10233,1,0+6456,\
     0, 31896,1,0+6456+10233,\
     0, 1797,1,0+6456+10233+31896,\
     0, 2376,1,0+6456+10233+31896+1797
    

macro ab [a,b,c,d] { common local sum
        sum = 0
    forward dd a, b, c, d + sum
        sum = sum + b
}

ab   0, 6456,1,0,\  ; 6456 = 38 19
     0, 10233,1,0,\ ; 0+6456 = 38 19, 10233 = F9 27
     0, 31896,1,0,\ ; 0+6456+10233 = 31 41, 31896 = 98 7C
     0, 1797,1,0,\  ; 0+6456+10233+31896 = C9 BD, 1797 = 05 07
     0, 2376,1,0    ; 0+6456+10233+31896+1797 = CE C4, 2376 = 48 09

; 00000000  00 00 00 00 38 19 00 00  01 00 00 00 00 00 00 00  |....8...........|
; 00000010  00 00 00 00 f9 27 00 00  01 00 00 00 38 19 00 00  |.....'......8...|
; 00000020  00 00 00 00 98 7c 00 00  01 00 00 00 31 41 00 00  |.....|......1A..|
; 00000030  00 00 00 00 05 07 00 00  01 00 00 00 c9 bd 00 00  |................|
; 00000040  00 00 00 00 48 09 00 00  01 00 00 00 ce c4 00 00  |....H...........|
; 00000050